PB23H48YT Poulan Lawn Tractor

The drive belt literally goes from the back of the tractor to the front. The mower must be removed, helps to have the tractor up on blocks to give adequate room for work on underside. Belt goes easiest on the engine first, then thread to the rear, install on the rear, (driven pulley) then on the idlers. Check to assure that it function ... Read more s properly before re-installing the mower. If you have the owners manual, there is a diagram, (check your orientation, it is not clear if it is a birdseye or under tractor view) which offered some help. When replacing belt, check the transaxle front mount, mine was broken which is why the belt came off in the first place. Repairing the mount was quite a job in itself, but now works fine.

Just described it.

Parked mower on level concrete drive, laid on cardboard. Lowered mower deck all the way. Sparayed some WD40 on nut/bolt on top of old pulley. Since it is a carriage type bolt, placed 5/8" boxed end wrench over self locking nut on top of old pulley. Using some force from 3lb mallet to break nut free (hitting against wrench body), the nut c ... Read more ame off easy as did broken pulley/bearing inside. Installed new pulley assembly, re-tightened nut on bolt. Checked after first mowing just to be certain pulley was in place and locking nut tight.